Unreal Engine Issues
Unreal Engine Issues
Half precision is not supported for OpenGL ES 3.1 Pixel Shaders
UE - Platform - Mobile - Apr 6, 2018Fix the cross compiler so half precision is supportedAdd a project setting to specify the default precision to support on ES31. Be sure the shader version takes this setting into account. — User des ...
Point lights affect indirect lighting on RTGI much less than other types of lights
UE - Graphics Features - Lumen - Aug 4, 2020Only point lights affect indirect lighting on RTGI much less than other types of lights.[Link Removed] Indirect lighting of baked lightmaps look much stronger than RTGI.[Link Removed] Apparently, ...
Spin Box delta does not appear to affect how the spin box increments through its values when clicking and dragging with the mouse
UE - Editor - UI Systems - May 12, 2017Spin Box delta does not appear to affect how the spin box increments through its values when clicking and dragging with the mouse. The spin box appears to increment/decrement by more or less dependi ...
HighResShot with a png output uses 24 bit depth in PIE instead of 32 bit
RAD - Oodle - Mar 1, 2022Tested in 4.27.2 binary which produced 32 bit depth pngs in both the editor and PIE. Using the HighResShot command to get a png while playing in editor results in a 24 bit depth screenshot where pr ...
IOS GPU Hang Error (IOAF code 3) and Crash when rotating to Landscape
UE - Platform - Mobile - Oct 11, 2018When users rotate to landscape in QAARApp the apple device will encounter a GPU Hang error and crash.Execution of the command buffer was aborted due to an error during execution. Caused GPU Hang Err ...
5.5.3 insights crashes when opening .utrace files with "RenderCommands,RDG,RHICommands" channels.
UE - Foundation - Insights - Feb 19, 2025The customer provided reproduction steps and a trace file that crashes Insights. From the customer: manually placing if (!CurrentGraph) Unknown macro: { return; } nullchecks in RenderGraphInsi ...
Depth Fade Material + Mobile HDR Disabled does not work with OpenGL 3.1 on Oculus Go
UE - Platform - Mobile - Dec 28, 2018"Depth Fade" material node does not work on Oculus Go with Open GL 3.1 active and Mobile HDR disabled. Seems very similar to [Link Removed] however disabling Separate Translucency or calling r.M ...
With Accurate Velocities from Vertex Deformation and Instanced Stereo enabled anti-aliasing does not affect the right eye
UE - Platform - XR - Jul 8, 2016KevinR: Make sure you are using Temporal AA (TXAA), and I was using SteamVR/Vive With Accurate Velocities from Vertex Deformation and Instanced Stereo enabled anti-aliasing does not affect the righ ...
DDX and DDY no longer work properly close to the camera in 4.21 on Android in OpenGL ES 3.1
UE - Platform - Mobile - Mar 29, 2019DDX and DDY no longer work properly close to the camera in 4.21 on Android in OpenGL ES 3.1. Worked in 4.20, no longer works in 4.21 or 4.22. Originally reported as Oculus Quest specific, but repr ...
When OpenGL ES 3.1 is enabled for Android build in Handheld AR Template, camera inverts colors
UE - Platform - XR - Mar 26, 2018When OpenGL ES 3.1 is enabled in Android Build settings, device prompts user to choose to "Allow ARInvertColor to take pictures and record video". If allowed, colors are inverted by the camera. If ...